{"id":34,"date":"2020-03-31T13:40:03","date_gmt":"2020-03-31T13:40:03","guid":{"rendered":"https:\/\/temp.ashkerala.com\/?p=34"},"modified":"2020-03-31T13:40:03","modified_gmt":"2020-03-31T13:40:03","slug":"computer-basics","status":"publish","type":"post","link":"https:\/\/temp.ashkerala.com\/?p=34","title":{"rendered":"Computer Basics"},"content":{"rendered":"<p>access time &#8211; The performance of a hard drive or other storage device &#8211; how long it takes to locate a file.<br \/> active program or window &#8211; The application or window at the front (foreground) on the monitor<br \/> application &#8211; a program in which you do your work.<br \/> application menu &#8211; on the right side of the screen header. Lists running applications.<br \/> ASCII (pronounced ask-key ) &#8211; American Standard Code for Information Interchange. a commonly used data format for exchanging information between computers or programs.<br \/> bit &#8211; the smallest piece of information used by the computer. Derived from &#8220;binary digit&#8221;. In computer language, either a one (1) or a zero (0).<br \/> backup &#8211; a copy of a file or disk you make for archiving purposes.<br \/> boot &#8211; to start up a computer.<br \/> bug &#8211; a programming error that causes a program to behave in an unexpected way.<br \/> bus &#8211; an electronic pathway through which data is transmitted between components in a computer.<br \/> byte &#8211; a piece of computer information made up of eight bits.<br \/> card &#8211; a printed circuit board that adds some feature to a computer.<br \/> CD-ROM &#8211; an acronym for Compact Disc Read-Only Memory.<br \/> Clipboard &#8211; A portion of memory where the Mac temporarily stores information. Called a Copy Buffer in many PC applications because it is used to hold information which is to be moved, as in word processing where text is &#8220;cut&#8221; and then &#8220;pasted&#8221;.<br \/> Clock Rate (MHz) &#8211; The instruction processing speed of a computer measured in millions of cycles per second (i.e., 200 MHz).<br \/> command &#8211; the act of giving an instruction to your Mac either by menu choice or keystroke.<br \/> compiler &#8211; a program the converts programming code into a form that can be used by a computer.<br \/> compression &#8211; a technique that reduces the size of a saved file by elimination or encoding redundancies (i.e., JPEG, MPEG, LZW, etc.)<br \/> control key &#8211; seldom used modifier key on the Mac.<br \/> control panel &#8211; a program that allows you to change settings in a program or change the way a Mac looks and\/or behaves.<br \/> CPU &#8211; the Central Processing Unit. The processing chip that is the &#8220;brains&#8221; of a computer.<br \/> crash &#8211; a system malfunction in which the computer stops working and has to be restarted.<br \/> cursor &#8211; The pointer, usually arrow or cross shaped, which is controlled by the mouse.<br \/> database &#8211; an electronic list of information that can be sorted and\/or searched.<br \/> data &#8211; (the plural of datum) information processed by a computer.<br \/> defragment &#8211; (also &#8211; optimize) to concatenate fragments of data into contiguous blocks in memory or on a hard drive. dialog box &#8211; an on-screen message box that appears when the Mac requires additional information before completing a command.<br \/> digitize &#8211; to convert linear, or analog, data into digital data which can be used by the computer.<br \/> disk &#8211; a spinning platter made of magnetic or optically etched material on which data can be stored.<br \/> disk drive &#8211; the machinery that writes the data from a disk and\/or writes data to a disk.<br \/> document &#8211; a file you create, as opposed to the application which created it.<br \/> DOS &#8211; acronym for Disk Operating System &#8211; used in IBM PCs.<br \/> DPI &#8211; acronym for Dots Per Inch &#8211; a gauge of visual clarity on the printed page or on the computer screen.<br \/> download &#8211; to transfer data from one computer to another. (If you are on the receiving end, you are downloading. If you are on the sending end, you are uploading ).<br \/> driver &#8211; a file on a computer which tells it how to communicate with an add-on piece of equipment (like a printer).<br \/> Ethernet &#8211; a protocol for fast communication and file transfer across a network.<br \/> expansion slot &#8211; a connector inside the computer which allows one to plug in a printed circuit board that provides new or enhanced features.<br \/> extension &#8211; a startup program that runs when you start the Mac and then enhances its function.<br \/> file &#8211; the generic word for an application, document, control panel or other computer data.<br \/> floppy &#8211; a 3.5 inch square rigid disk which holds data. (so named for the earlier 5.25 and 8 inch disks that were flexible).<br \/> folder &#8211; an electronic subdirectory which contains files.<br \/> font &#8211; a typeface that contains the characters of an alphabet or some other letterforms.<br \/> fragmentation &#8211; The breaking up of a file into many separate locations in memory or on a disk.<br \/> gig &#8211; a gigabyte = 1024 megabytes.<br \/> hard drive &#8211; a large capacity storage device made of multiple disks housed in a rigid case.<br \/> highlight &#8211; to select by clicking once on an icon or by highlighting text in a document.<br \/> icon &#8211; a graphic symbol for an application, file or folder.<br \/> initialize &#8211; to format a disk for use in the computer; creates a new directory and arranges the tracks for the recording of data.<br \/> installer &#8211; software used to install a program on your hard drive.<br \/> K &#8211; short for kilobyte.<br \/> keyboard shortcut &#8211; a combination of keystrokes that performs some function otherwise found in a pulldown menu.<br \/> kilobyte &#8211; 1024 bytes.<br \/> landscape &#8211; in printing from a computer, to print sideways on the page. launch &#8211; start an application.<br \/> Measurements (summary) &#8211; *a bit = one binary digit (1 or 0) *&#8221;bit&#8221; is derived from the contraction b&#8217;it (binary digit) -&gt; 8 bits = one byte*1024 bytes = one kilobyte*K = kilobyte*Kb = kilobit*MB = megabyte*Mb = megabit*MB\/s = megabytes per second*Mb\/s = megabits per second*bps = bits per secondi.e., 155 Mb\/s = 19.38 MB\/s<br \/> MB &#8211; short for megabyte.<br \/> megabyte &#8211; 1024 kilobytes.<br \/> memory &#8211; the temporary holding area where data is stored while it is being used or changed; the amount of RAM a computer has installed.<br \/> menu &#8211; a list of program commands listed by topic.<br \/> menu bar &#8211; the horizontal bar across the top of the screen that lists the menus.<br \/> multi tasking &#8211; running more than one application in memory at the same time.<br \/> operating system &#8211; the system software that controls the computer.<br \/> optical disk &#8211; a high-capacity storage medium that is read by a laser light.<br \/> partition &#8211; a subdivision of a hard drives surface that is defined and used as a separate drive.<br \/> paste &#8211; to insert text, or other material, from the clipboard or copy buffer.<br \/> PC &#8211; acronym for personal computer, commonly used to refer to an IBM or IBM clone computer which uses DOS.<br \/> PCI &#8211; acronym for Peripheral Component Interchange &#8211; the newer, faster bus achitecture.<br \/> peripheral &#8211; an add-on component to your computer.<br \/> pop-up menu &#8211; any menu that does not appear at the top of the screen in the menu bar. (may pop up or down)<br \/> port &#8211; a connection socket, or jack on the Mac.<br \/> print spooler &#8211; a program that stores documents to be printed on the hard drive, thereby freeing the memory up and allowing other functions to be performed while printing goes on in the background.<br \/> QuickTime &#8211; the Apple system extension that gives one the ability to compress, edit and play animation, movies and sound on the Mac.<br \/> RAM &#8211; acronym for Random-Access Memory.<br \/> reset switch &#8211; a switch on the Mac that restarts the computer in the event of a crash or freeze.<br \/> resize box &#8211; the small square at the lower right corner of a window which, when dragged, resizes the window.<br \/> ROM &#8211; acronym for Read Only Memory; memory that can only be read from and not written to.<br \/> root directory &#8211; the main hard drive window.<br \/> save &#8211; to write a file onto a disk.<br \/> save as &#8211; (a File menu item) to save a previously saved file in a new location and\/or with a new name.<br \/> scroll &#8211; to shift the contents of a window to bring hidden items into view.<br \/> scroll bar &#8211; a bar at the bottom or right side of a window that contains the scroll box and allows scrolling.<br \/> scroll box &#8211; the box in a scroll bar that is used to navigate through a window. SCSI &#8211; acronym for Small Computer System Interface.<br \/> serial port &#8211; a port that allows data to be transmitted in a series (one after the other), such as the printer and modem ports.<br \/> server &#8211; a central computer dedicated to sending and receiving data from other computers (on a network).<br \/> shut down &#8211; the command from the Special menu that shuts down the Mac safely.<br \/> software &#8211; files on disk that contain instructions for a computer.<br \/> spreadsheet &#8211; a program designed to look like an electronic ledger.<br \/> start up disk &#8211; the disk containing system software and is designated to be used to start the computer.<br \/> System file &#8211; a file in the System folder that allows your Mac to start and run.<br \/> System folder &#8211; an all-important folder that contains at least the System file and the Finder.<br \/> title bar &#8211; the horizontal bar at the top of a window which has the name of the file or folder it represents.<br \/> upload &#8211; to send a file from one computer to another through a network. UPS &#8211; acronym for Uninterruptible Power Source.<br \/> virtual memory &#8211; using part of your hard drive as though it were &#8220;RAM&#8221;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>access time &#8211; The performance of a hard drive or other storage device &#8211; how long it takes to locate a file. active program or window &#8211; The application or window at the front (foreground) on the monitor application &#8211; a program in which you do your work. application menu &#8211; on the right side&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-34","post","type-post","status-publish","format-standard","hentry","category-ugc-general"],"_links":{"self":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts\/34","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=34"}],"version-history":[{"count":0,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions"}],"wp:attachment":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}